My 2010 S550 4Matic has developed a considerable draw causing a no-start of the vehicle is left for a few hours. Yesterday went from a 12.6v down to 3v in 8 hours. Nothing was left on. Battery is recently replaced along with alternator.
Currently, battery is at 12.6v and the following circuits are drawing 11.2v after the vehicle has been left for an hour
20, 21, Engine electronics, Emergency Stop
22, 23, 24, Engine Electronics
36, Diagnostic circuit
37, ignition lock, Keyless go
38, no...
Battery drain
Currently, battery is at 12.6v and the following circuits are drawing 11.2v after the vehicle has been left for an hour
20, 21, Engine electronics, Emergency Stop
22, 23, 24, Engine Electronics
36, Diagnostic circuit
37, ignition lock, Keyless go
38, no...
Battery drain
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